Onpage Optimization
If you ever added Output Queries Debug (homepageto your site (and didn't do any caching) you will have noticed a sometimes substantial number of count queries like:select count(*) as count from categories where parent_id = '1'These are queries originating from the function...
Platforms: Windows, *nix, PHP, BSD
License: Freeware | Download (48): tep show category optimization Download |
GODLIKE (Global Optimum Determination by Linking and Interchanging Kindred Evaluators) compiles various population-based global optimization schemes.It handles both single- and multi-objective optimization, simply by adding additional objective functions.It solves optimization problems using...
Platforms: Windows, Mac, *nix, Matlab, BSD Solaris
License: Freeware | Download (54): GODLIKE Download |
It also supports automatic scheduling of backup and optimization activities.InstallationUnpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plugins' menu in WordPress. Requirements: - WordPress 2.5.0 or higher
Platforms: Windows, Mac, *nix, PHP, BSD Solaris
License: Freeware | Download (62): WP-DBManager Download |
Gravitational search algorithm (GSA) is an optimization algorithm based on the law of gravity and mass interactions.This algorithm is based on the Newtonian gravity: "Every particle in the universe attracts every other particle with a force that is directly proportional to the product of their...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (52): Gravitational Search Algorithm (GSA) Download |
A flexible implementation of PSO algorithm with time-varying parameters. Algorithm is suitable for solving continuous optimization problems. Special care has been taken to enable flexibility of the algorthm with respect to its parameters and to initial population selection. Detailed logging of...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): Particle Swarm Optimization (PSO) algorithm Download |
Robust Particle Swarm toolbox implementing Trelea, Common, and Clerc types along with an alpha version of change detection.This toolbox is designed for researchers in Computational Intelligence as well as application developers, students, and classroom labs. It is robust enough that several...
Platforms: Matlab
License: Freeware | Size: 757.76 KB | Download (45): Particle Swarm Optimization Toolbox Download |
L-BFGS-B is a collection of Fortran 77 routines for solving nonlinear optimization problems with bound constraints on the variables. One of the key features of the nonlinear solver is that the Hessian is not needed. I've designed an interface to the L-BFGS-B solver so that it can be called like...
Platforms: Matlab
License: Freeware | Size: 61.44 KB | Download (46): MATLAB interface for L-BFGS-B Download |
A .zip file contains a series of scripts that were used in the MathWorks webinar "Using MATLAB to Develop Portfolio Optimization Models." The scripts generate 3D efficient frontiers for a universe of 44 stocks with time as the third axis. Additional scripts perform various ex-ante and ex-post...
Platforms: Matlab
License: Freeware | Size: 204.8 KB | Download (51): Using MATLAB to Develop Portfolio Optimization Models Download |
function [optN, C, N] = sshist(x,N) [optN, C, N] = sshist(x,N) Function `sshist' returns the optimal number of bins in a histogram used for density estimation. Optimization principle is to minimize expected L2 loss function between the histogram and an unknown underlying density function. An...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): Histogram Binwidth Optimization Download |
This algorithm deal with multimodal optimization problems under constraints.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): ClonalG Immune Algorithm for Optimiation with Constraints Download |
Base paper detail : "Improved Particle Swarm Optimization Based Load Frequency Control In A Single Area Power System"Saumya Kr. Gautam, Nakul Goyal Department of Electrical Engineering, IT-BHUVaranasi,India."This my first model, implementing IPSO/ Other Algorithm i will publish soon"
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Load frequency control Download |
Fit a multivariate gaussian mixture by a cross-entropy method. Cross-Entropy is a powerfull tool to achieve stochastic multi-extremum optimization.Please visit http://iew3.technion.ac.il/CE/ for more informationsi) Please compile mex-files by the mexme_ce_gauss.m (if compiler is not setup, run...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (47): Multivariate Gaussian Mixture Model Optimization by Cross Entropy Download |
This program demonstrates the optimization by genetic algorithm to find the global maximum height for thee dimensional multiple peak surface. The GA operates by real coding method with elitism
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Global maximum point for 3D surface using GA Download |
Most PID tuning rules are based on first-order plus time delay assumption of the plant hence cannot ensure the best control performance. Using mordern optimization techniques, it is possible to tune a PID controller based on the actual transfer function of the plant to optimize the closed-loop...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (46): Learning PID Tuning III: Performance Index Optimization Download |
The Kalman filter is actually a feedback approach to minimize the estimation error in terms of sum of square. This approach can be applied to general nonlinear optimization. This function shows a way using the extended Kalman filter to solve some unconstrained nonlinear optimization problems. Two...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Unconstrained Optimization using the Extended Kalman Filter Download |
The Kalman filter can be interpreted as a feedback approach to minimize the least equare error. It can be applied to solve a nonlinear least square optimization problem. This function provides a way using the unscented Kalman filter to solve nonlinear least square optimization problems. Three...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): Nonlinear least square optimization through parameter estimation using the Unscented Kalman Filter Download |
The five programs provided solve several process design problems. These examples were originally provided as applications of process design optimization by Edgar, Himmelblau and Lasdon in their excellent book entitled Optimization of Chemical Processes, McGraw-Hill International Edition, 2001....
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): Application of Optimization to the Study of Chemical Processes Download |
Suspended and inverted pendulums were built in AutoDesk Inventor. SimMechanics is used to generate a Simulink model. This model generates the dynamics implicitly, so there is no need to solve the equations of motion by hand. The dynamics are used by control optimization software: DIDO, available...
Platforms: Matlab
License: Freeware | Size: 2.25 MB | Download (44): SimMechanics pendulum used for control optimization Download |
Analytical Target Cascading (ATC) is a method for solving large-scale distributed optimization problems. It can be applied to multidisciplinary design optimization (MDO) problems. A very simple example problem was chosen so that the ATC solution process could be illustrated without requiring much...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Analytical Target Cascading Example Download |
[FMAX,X] = KP01(W,P,C) solves the combinatorial optimization problem maximize F = SUM(P.*X), subject to SUM(W.*X)
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): KP01 Download |